Math picture graphs for kids. Pie, line, and bar charts. Learn with problems, examples.

A comprehensive delve into the many facets of photosynthesis. Text is supplemented with effective pictures and graphs. Review questions can be found at the end of the site.

This lesson teaches middle schoolers what economists mean when they talk about people who are employed, unemployed, and not in the labor force. It discusses the Current Population Survey and asks students to pose as government survey...